G.5 Comparison of Directory and File Attributes

Attribute Code

Description

Applies to Files

Applies to Directories

NSS

Traditional

A

Archive Needed identifies files that have been modified since the last backup. This attribute is assigned automatically.

Yes

No

Yes

Yes

Ci

Copy Inhibit prevents Macintosh users from copying a file. This attribute overrides Read and File Scan trustee rights. This attribute works only for clients using Macintosh operating systems to access NSS volumes on NetWare.

Yes

No

Yes

Yes

Dc

Do Not Compress keeps data from being compressed. This attribute overrides settings for automatic compression of files not accessed within a specified number of days.

Yes

No

Yes

Yes

Di

Delete Inhibit means that the directory or file cannot be deleted. This attribute overrides the Erase trustee right.

Yes

Yes

Yes

Yes

Dm

Do Not Migrate prevents directories and files from being migrated from the server’s server disk to another storage medium.

Yes

Yes

Yes

No migration support

Ds

Do Not Suballocate prevents data from being suballocated.

Yes

No

Not needed

Yes

H

The Hidden attribute hides directories and files so they cannot be listed using the DIR command.

Yes

Yes

Yes

Yes

I

Index allows large files to be accessed quickly by indexing files with more than 64 File Allocation Table (FAT) entries. This attribute is set automatically.

Yes

No

Not needed

yes

Ic

Immediate Compression sets data to be compressed as soon as a file is closed. If applied to a directory, every file in the directory is compressed as each file is closed.

Yes

Yes

Yes

Yes

N

Normal indicates the Read/Write attribute is assigned and the Shareable attribute is not. This is the default attribute assignment for all new files.

Yes

Yes

Yes

Yes

P

Purge flags a directory or file to be erased from the system as soon as it is deleted. Purged directories and files cannot be recovered.

Yes

Yes

Yes

Yes

Ri

Rename Inhibit prevents the directory or filename from being modified.

Yes

Yes

Yes

Yes

Ro

Read Only prevents a file from being modified.

Yes

No

Yes

Yes

Rw

Read/Write allows you to write to a file. All files are created with this attribute.

Yes

No

Yes

Yes

Sh

Shareable allows more than one user to access the file at the same time. This attribute is usually used with Read Only.

Yes

No

Yes

Yes

Sy

System hides the directory or file so it does not appear in a file manager or directory listing. System is normally used with operating system files, such as Linux or NetWare system files.

Yes

Yes

Yes

Yes

T

Transactional allows a file to be tracked and protected by the Transaction Tracking System (TTS).

Yes

No

Explicit

Implicit and explicit

X

The Execute attribute indicates program files such as .exe or .com.

Yes

No

Yes

Yes